Controller for centrifugal pump



FIG. 1 is a front perspective view of a controller for a centrifugal pump showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

The left side view is omitted as appearing symmetric with the right side view of FIG. 5.

The broken lines represent the portions of the design that form no part of the claim. 

CLAIM The ornamental design for controller for centrifugal pump, as shown and described. 